adverb
fairly well :well enough
beyond doubt :certainly - used to stress that a preceding statement is true or accurate
a - used to ask for or express agreement, acceptance, or understanding
b chiefly US - used to express pleasure or excitement
c - used for emphasis at the beginning of a statement
adjective
not used before a noun except in sense
fairly good :satisfactory
acceptable or agreeable
suitable or appropriate
not ill, hurt, unhappy, etc.
not marked by problems, danger, etc. - used to tell someone not to be worried or concerned
informal :likable, good, or honest
a bit of all right
US